2.4 GHz-band ultra-low-voltage class-C LC-VCO IC in 65 nm CMOS technology

Xin Yang, Yorikatsu Uchida, Kangyang Xu, Wei Wang, Toshihiko Yoshimasu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)


A novel LC-VCO IC is proposed to achieve low-voltage low-power operation even at a supply voltage below the threshold voltage. The LC-VCO consists of a VCO circuit, a power detector circuit and a comparator circuit. A feedback loop consisting of the power detector and the comparator can control the bias condition of the VCO. The LC-VCO IC has been designed, fabricated and fully evaluated using 65 nm CMOS technology. The fabricated VCO IC exhibits a measured phase noise of -111 dBc/Hz at 1 MHz offset from the 2.43 GHz carrier frequency at an operation voltage of only 0.3 V.

Original languageEnglish
Title of host publication2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013
Number of pages3
Publication statusPublished - 2013 Dec 1
Event2013 3rd Asia-Pacific Microwave Conference, APMC 2013 - Seoul, Korea, Republic of
Duration: 2013 Nov 52013 Nov 8

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC


Conference2013 3rd Asia-Pacific Microwave Conference, APMC 2013
Country/TerritoryKorea, Republic of


  • CMOS
  • LC-VCO
  • Low power
  • Low voltage

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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